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5564 | serge | 1 | /* |
2 | * Copyright (C) 2009 Chia-I Wu |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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21 | * DEALINGS IN THE SOFTWARE. |
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22 | */ |
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23 | |||
24 | #include "main/drawtex.h" |
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25 | #include "main/state.h" |
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26 | #include "main/imports.h" |
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27 | #include "main/mtypes.h" |
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28 | |||
29 | |||
30 | static void |
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31 | draw_texture(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z, |
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32 | GLfloat width, GLfloat height) |
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33 | { |
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34 | if (!ctx->Extensions.OES_draw_texture) { |
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35 | _mesa_error(ctx, GL_INVALID_OPERATION, |
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36 | "glDrawTex(unsupported)"); |
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37 | return; |
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38 | } |
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39 | if (width <= 0.0f || height <= 0.0f) { |
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40 | _mesa_error(ctx, GL_INVALID_VALUE, "glDrawTex(width or height <= 0)"); |
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41 | return; |
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42 | } |
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43 | |||
44 | _mesa_set_vp_override(ctx, GL_TRUE); |
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45 | |||
46 | if (ctx->NewState) |
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47 | _mesa_update_state(ctx); |
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48 | |||
49 | assert(ctx->Driver.DrawTex); |
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50 | ctx->Driver.DrawTex(ctx, x, y, z, width, height); |
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51 | |||
52 | _mesa_set_vp_override(ctx, GL_FALSE); |
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53 | } |
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54 | |||
55 | |||
56 | void GLAPIENTRY |
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57 | _mesa_DrawTexfOES(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height) |
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58 | { |
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59 | GET_CURRENT_CONTEXT(ctx); |
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60 | draw_texture(ctx, x, y, z, width, height); |
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61 | } |
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62 | |||
63 | |||
64 | void GLAPIENTRY |
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65 | _mesa_DrawTexfvOES(const GLfloat *coords) |
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66 | { |
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67 | GET_CURRENT_CONTEXT(ctx); |
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68 | draw_texture(ctx, coords[0], coords[1], coords[2], coords[3], coords[4]); |
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69 | } |
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70 | |||
71 | |||
72 | void GLAPIENTRY |
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73 | _mesa_DrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height) |
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74 | { |
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75 | GET_CURRENT_CONTEXT(ctx); |
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76 | draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z, |
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77 | (GLfloat) width, (GLfloat) height); |
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78 | } |
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79 | |||
80 | |||
81 | void GLAPIENTRY |
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82 | _mesa_DrawTexivOES(const GLint *coords) |
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83 | { |
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84 | GET_CURRENT_CONTEXT(ctx); |
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85 | draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1], |
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86 | (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]); |
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87 | } |
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88 | |||
89 | |||
90 | void GLAPIENTRY |
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91 | _mesa_DrawTexsOES(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height) |
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92 | { |
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93 | GET_CURRENT_CONTEXT(ctx); |
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94 | draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z, |
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95 | (GLfloat) width, (GLfloat) height); |
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96 | } |
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97 | |||
98 | |||
99 | void GLAPIENTRY |
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100 | _mesa_DrawTexsvOES(const GLshort *coords) |
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101 | { |
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102 | GET_CURRENT_CONTEXT(ctx); |
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103 | draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1], |
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104 | (GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]); |
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105 | } |
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106 | |||
107 | |||
108 | void GLAPIENTRY |
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109 | _mesa_DrawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height) |
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110 | { |
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111 | GET_CURRENT_CONTEXT(ctx); |
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112 | draw_texture(ctx, |
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113 | (GLfloat) x / 65536.0f, |
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114 | (GLfloat) y / 65536.0f, |
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115 | (GLfloat) z / 65536.0f, |
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116 | (GLfloat) width / 65536.0f, |
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117 | (GLfloat) height / 65536.0f); |
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118 | } |
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119 | |||
120 | |||
121 | void GLAPIENTRY |
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122 | _mesa_DrawTexxv(const GLfixed *coords) |
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123 | { |
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124 | GET_CURRENT_CONTEXT(ctx); |
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125 | draw_texture(ctx, |
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126 | (GLfloat) coords[0] / 65536.0f, |
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127 | (GLfloat) coords[1] / 65536.0f, |
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128 | (GLfloat) coords[2] / 65536.0f, |
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129 | (GLfloat) coords[3] / 65536.0f, |
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130 | (GLfloat) coords[4] / 65536.0f); |
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131 | }=>=>=> |